AMACO Permoplast Modeling Clay
Premium, brightly colored-a classroom standard since 1919! Non-hardening, plastic modeling clay remains smooth and pliable and retains its plasticity indefinitely. Blends easily to create brilliant new shades. Completely stainless. Each 1 lb. package contains 1/4 lb. sticks of blue, green, red and yellow. AP Seal, non-toxic.